Humminbird SD/MMC Card Reader

This card reader plugs into a USB port on a computer and allows your computer to read SD and MMC cards. This will allow you to update the software on your Humminbird products by using "My Humminbird" at the following link http://www.humminbird.com/public.asp?ID=264.

Also includes a 16MB MMC card

Works with 900, 700 and Matrix Series products

For use with: 931C, 937C, 947C 3D, 981C SI, 987C SI, Matrix 47 3D, 727, 737, 767, 777c2, 787c2, Matrix 12, Matrix 27, Matrix 37, Matrix 67, Matrix 77, Matrix 87